sushi 发表于 2009-8-25 09:57

粉红噪声控制试验和窄带谱声学控制试验at NASA

NASALangley Research Center, HamptonA/irigina, has used the m+p international VibControl system for acoustic control at their progressive wave tube test facility for years. Tested spectra include uniform, two cases of pink noise, three cases of narrow-band random, a simulated launch payload bay environment for an expandable launch vehicle, and a simulated external acoustic load for the aft section of a reusable launch vehicle.
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